C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 9/05 (2006.01) B22D 11/04 (2006.01) C22B 9/00 (2006.01) C22B 21/06 (2006.01) C22B 26/22 (2006.01)
Patent
CA 2333517
An improved method of processing a molten non-ferrous metal and alloys of said metal using a blanketing gas having a global warming potential is provided. The improvement involves reducing said global warming potential of said blanketing gas by blanketing said molten non-ferrous metal and alloys with a gaseous mixture including at least one compound selected from the group consisting of SO2F2, NF3, SO2CLF, SOF2, SOF4, NOF and SF4.
Heffron James Francis
Hobbs John Peter
Woytek Andrew Joseph
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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